<template>
  <div>
    <el-form ref="loginForm" :model="form" :rules="rules" label-width="80px" class="login-box">
      <h3 class="login-title">登录</h3>
      <br>
      <el-form-item label="账号" prop="username">
        <el-input type="text" placeholder="请输入账号" v-model="form.username"/>
      </el-form-item>
      <el-form-item label="密码" prop="password">
        <el-input type="password" placeholder="请输入密码" v-model="form.password"/>
      </el-form-item>
      <el-form-item>
        <el-button key="reg" :disabled="isButtonDisabled" type="primary" v-on:click="onSubmit('loginForm')">登录</el-button>
      </el-form-item>
      <el-form-item align="right">
        <el-label><a href="/reg">注册</a></el-label>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
        <el-label><a href="/forgot">忘记密码</a></el-label>
      </el-form-item>
    </el-form>

    <el-dialog
        title="温馨提示"
        :visible.sync="dialogVisible"
        width=30%
        :before-close="handleClose">
      <span>请输入账号和密码</span>
      <span slot=footer class=dialog-footer>
        <el-button type=primary @click="dialogVisible = false">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import {layer} from '@layui/layer-vue';
import {login} from "@/api/user";
import md5 from 'js-md5';
import { mapMutations } from 'vuex';

export default {
  name: "Login",
  data() {
    return {
      form: {
        username: '',
        password: ''
      },

      rules: {
        username: [
          {required: true, message: '账号不可为空', trigger: 'blur'}
        ],
        password: [
          {required: true, message: '密码不可为空', trigger: 'blur'}
        ]
      },

      //对话框显示和隐藏
      dialogVisible: false,
      isButtonDisabled: false,
      userToken: ''
    }
  },
  methods: {
    ...mapMutations(['changeLogin']),
    onSubmit(formName) {
      var that = this;
      this.$refs[formName].validate((valid) => {
        if (valid) {
          login(this.form.username,md5(this.form.password)).then(res => {
            if (res.count > 0) {
              that.userToken = res.data.token;
              that.username = res.data.username;
              that.userid = res.data.userid;
              // 将用户token保存到vuex中
              that.changeLogin({ Authorization: that.userToken,UserId:that.userid,UserName:that.username });
              that.$router.push('/manage/')
            }else{
              layer.msg("用户不存在");
              return false;
            }
          })
        } else {
          this.dialogVisible = true;
          return false;
        }
      });
    }
  }
}
</script>

<style lang=scss scoped>
.login-box {
  border: 1px solid #DCDFE6;
  width: 350px;
  margin: 180px auto;
  padding: 35px 35px 15px 35px;
  border-radius: 5px;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  box-shadow: 0 0 25px #909399;
}

.login-box-title {
  text-align: center;
  margin: 0 auto 40px auto;
  color: #303133;
}
</style>
